MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 74e0f799a11a134c003bdfc626d453e74c92903d0640c8e1c801a78fe715a095. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
NanoCore
Vendor detections: 11
| SHA256 hash: | 74e0f799a11a134c003bdfc626d453e74c92903d0640c8e1c801a78fe715a095 |
|---|---|
| SHA3-384 hash: | 6e443ff1cd61a5776695e54bd6f3f78f0e25cbb307e4b9760a3d531fd429e3847d84ba99a6da6b3df931a3ab1f4a727b |
| SHA1 hash: | 0876b0bd85b3fea743370b8a7793102dd9328bbb |
| MD5 hash: | 6a647fd057fd6a0b85c644d928125eb4 |
| humanhash: | california-indigo-burger-chicken |
| File name: | SecuriteInfo.com.Trojan.PackedNET.645.23105.6482 |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 792'064 bytes |
| First seen: | 2021-04-12 10:57:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:I4enekLl7hRNLPXlf/BfykeiLmtlzwrbsybFVxXo7Ko7ICfLcA:QFNLPXLxjLm7KoOVxXBjCfLcA |
| Threatray | 1'737 similar samples on MalwareBazaar |
| TLSH | BFF48BC48E8AB81ED46E7374705091FCD3A36D2215DEA3E757DBFCDA9B6328045922C2 |
| Reporter |  SecuriteInfoCom |
| Tags: | NanoCore |
Intelligence
File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PR0078966.xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-12 09:27:20 UTC
Tags:
encrypted exploit CVE-2017-11882 loader covid19 rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-12 08:40:17 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'727 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
79.134.225.30:1144
nassiru1155.ddns.net:1144
nassiru1155.ddns.net:1144
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
74e0f799a11a134c003bdfc626d453e74c92903d0640c8e1c801a78fe715a095
MD5 hash:
6a647fd057fd6a0b85c644d928125eb4
SHA1 hash:
0876b0bd85b3fea743370b8a7793102dd9328bbb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | ach_NanoCore |
|---|---|
| Author: | abuse.ch |
| Rule name: | Nanocore |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | nanocore_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | Nanocore_RAT_Feb18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| Author: | Florian Roth |
| Description: | Detetcs the Nanocore RAT |
| Reference: | https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/ |
| Rule name: | win_nanocore_w0 |
|---|---|
| Author: | Kevin Breen <kevin@techanarchy.net> |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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